Most manufacturers put labels on wire coatings or insulation indicating the material’s type and gauge. Choosing the Right Wireĭepending on your preference, you may choose wires that you think will suit your project with respect to safety and fire hazard. Read more: Ideal Wire Size for a 60 Amp Sub Panel. Knowing this aspect or property of wire can save you or your appliances from electrical damage, especially short circuits or even fire. The smaller the number, the thicker the wire will be and vice versa.īy that, we can say that the thicker the wire, the more amperage a wire can support and deliver. Gauge simply describes the thickness of the wire through numbers. Many newbies or students without experience or advanced knowledge may miss these easily and cause serious damage to appliances and or components.Īmerican Wire Gauge (AWG) is the standard when measuring wire sizes. The size of the wire you will use will also differ depending on what particular electrical installation or servicing you will be doing.īefore reading wire sizes, it is important to know the basic technicalities of electrical installations. For example, you may use a 10 AWG or American Wire Gauge for a 30 amp appliance, and a size 8 AWG for a 45 amp device. My experence in this is I would go with direct burial cable minimum of 3/0 AL reason for a AL as opposed to copper is if if starts to fault copper will keep working and also send power into the ground without you knowing before it faults where AL will just burn through and you will know it now, I also would suggest to put it in pipe that way if ever built or paved over all you need to do if it goes bad is pull it out and back in and with 3/0 AL you have the ability to go up to 200 amp service down the road just my thoughts good luck.Wiring size requirements differ per amp rating of the circuit. Aluminum wire loses a lot of conductivity relatively quickly.especially if it gets water in it. Go with 2/0, 2/0, 2/0.and you'll never regret it. UD triplex, Or go with 2/0 2/0 2/0 #4 that UD quad, That quad will carry a. Posted 21:27 (#2968099 - in reply to #2967911) Subject: Re: Wire size for 100 amp serviceĪt that distance I would use 2/0 2/0 2/0. Any other building 2AL will need to be fused at 90 amps.Ĭheck Voltage drop tables to see if you need to increase the size of the wire to compensate for Voltage drop Minimum size for dwelling (house ) is 2 AL to serve 100 amps. How many volts, copper or aluminum, is it single phase? I work for a power co and we would use 1/0 2 1/0 aluminum in a flexible conduit. Only going to pull Lights small hand tools and maybe a small welder. I need to pull a line to a tractor shed about 150 feet. Posted 20:20 (#2967911) Subject: Wire size for 100 amp service Wire size for 100 amp service Jump to page : 1 Now viewing page 1
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